PROCESS FOR PRINTING ON A CONTINUOUS STRIP OF FLEXIBLE FILM AND A STRIP OF DECORATED FLEXIBLE FILM

A process for printing on a continuous strip of flexible film and a strip of decorative flexible film, such as a plastic film used in the formation of adhesive bandages, comprising the steps of: passing continuously and progressively the continuous strip through a plurality of ink and/or varnish printing stations, which are arranged in series and intercalated by drying stations, each of the printing stations printing, with solvent or water based ink and/or varnish, along the width of an upper face of the continuous strip, a plurality of predetermined respective image portions; passing continuously and progressively the continuous strip through a varnishing station, in order to cover the upper face of the continuous strip and the image portions printed thereon with a photopolymerizable varnish layer; passing the varnished continuous strip through a photopolymerization station, in which the varnish is photopolymerized preferably by ultraviolet (UV) radiation; and conducting the continuous strip to a subsequent step of any process for forming an adhesive bandage with said continuous strip. Un procedimiento para imprimir sobre una tira continua de pelicula flexible y una tira de pelicula flexible decorativa, tal como una pelicula de plastico usada en la formacion de vendas adhesivas, que comprende los pasos de: - hacer pasar de manera continua y progresiva la tira continua a traves de una pluralidad de estaciones de tinta y/o barniz, que estan dispuestas en serie e intercaladas por estaciones de secado, cada una de dichas estaciones de impresion imprimiendo con tinta y/o barniz a base de solvente o agua a lo largo de la anchura de una cara superior de la tira continua, una pluralidad de porciones de imagenes respectivas predeterminadas; - hacer pasar de manera continua y progresiva la tira continua a traves de una estacion de barnizado, a fin de cubrir la cara superior de la tira continua y las porciones de imagenes impresas sobre la misma con una capa de barniz fotopolimerizable; - hacer pasar la tira continua barnizada a traves de una estacion de fotopolimerizacion en la cual el barniz es preferiblemente fotopolimerizado por radiacion ultravioleta (UV); y - conducir la tira continua a un paso subsecuente de cualquier procedimiento para formar una venda adhesiva con dicha tira continua.